<template>
	<div class="login_container">
		<div class="login_box">
			<div class="avater_box">
				<img src="@/assets/avater.jpg">
			</div>
			<el-form ref="loginFormRef" :rules="rules" :model="form" class="login_form">
				<el-form-item prop="username">
					<el-input prefix-icon="iconfont icon-user" v-model="form.username"></el-input>
				</el-form-item>
				<el-form-item prop="password">
					<el-input prefix-icon="iconfont icon-3702mima" v-model="form.password" type="password"></el-input>
				</el-form-item>
				<el-form-item class="btns">
					<el-button type="primary" @click="submit">登录</el-button>
					<el-button type="info" @click="reset">重置</el-button>
				</el-form-item>
			</el-form>
		</div>
	</div>
</template>

<script>
	export default {
		data() {
			return {
				form: {
					username: 'admin',
					password: '123456'
				},

				rules: {
					username: [{
							required: true,
							message: '请输入用户名',
							trigger: 'blur'
						},
						{
							min: 3,
							max: 10,
							message: '长度在 3 到 10 个字符',
							trigger: 'blur'
						}
					],
					password: [{
							required: true,
							message: '请输入密码',
							trigger: 'blur'
						},
						{
							min: 6,
							max: 15,
							message: '长度在 6 到 15 个字符',
							trigger: 'blur'
						}
					]
				}
			}
		},

		methods: {
			reset() {
				this.$refs.loginFormRef.resetFields();
			},

			submit() {
				this.$refs.loginFormRef.validate(async valid => {
					if (!valid) return
					const {
						data: res
					} = await this.$request.post('login', this.form)
					if (res.meta.status !== 200) {
						return this.$message.error('登录失败')
					}
					this.$message.success('登录成功')
					window.sessionStorage.setItem('token', res.data.token)
					this.$router.push('/home')
				})
			}
		},
	}
</script>

<style lang="less" scoped>
	.login_container {
		background-color: #2b4b6b;
		height: 100%;
	}

	.login_box {
		width: 450px;
		height: 300px;
		background-color: #fff;
		border-radius: 5px;
		position: absolute;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);

		.avater_box {
			height: 130px;
			width: 130px;
			padding: 10px;
			border-radius: 50%;
			border: 1px solid #eee;
			box-shadow: 0 0 10px #ddd;
			background-color: #eee;
			position: absolute;
			left: 50%;
			top: 50%;
			transform: translate(-50%, -150%);

			img {
				width: 100%;
				height: 100%;
				border-radius: 50%;
			}
		}
	}

	.login_form {
		position: absolute;
		bottom: 0;
		width: 100%;
		padding: 0 20px;
		box-sizing: border-box;
	}

	.btns {
		display: flex;
		justify-content: center;
	}
</style>
